on.arrowUp

on.arrowUp() is an event handler.
This handler get called when the UP arrow key gets pressed.

Example

msg = ""

function on.paint(gc)
	gc:drawString(msg, 10, 10, "top")
end

function on.arrowUp()
	msg = "Key up"
	platform.window:invalidate()
end

function on.arrowDown()
	msg = "Key down"
	platform.window:invalidate()
end

function on.arrowLeft()
	msg = "Key left"
	platform.window:invalidate()
end

function on.arrowRight()
	msg = "Key right"
	platform.window:invalidate()
end

Prints which arrow key gets pressed.

See Also

• on.arrowDown
• on.arrowLeft
• on.arrowRight
• on.arrowKey